What is octane rating? What is cetane number? Gas & diesel ratings. What is octane rating? What is cetane rating? When purchasing gasoline or diesel fuel you’ve likely noticed the selection of numbers ...

If you've been wondering how Ford's EcoBoost engines make max power on 87 octane, sorry to burst your bubble, but they don't. Sure, the manual for your F-150 with the EcoBoost 3.5 reads "Your vehicle ...

Where does the ideal air/fuel ratio come from? What makes 14.7:1 the ideal air fuel ratio for gasoline combustion? This video explains the chemistry behind internal combustion engines using octane as ...